20335500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4519}}^1$

素因数の和:4544

約数の個数: 72

約数和(自身を含む): 64165920

約数和(自身を除く): 43830420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4519, 9038, 13557, 18076, 22595, 27114, 40671, 45190, 54228, 67785, 81342, 90380, 112975, 135570, 162684, 203355, 225950, 271140, 338925, 406710, 451900, 564875, 677850, 813420, 1016775, 1129750, 1355700, 1694625, 2033550, 2259500, 3389250, 4067100, 5083875, 6778500, 10167750, 20335500]

約数ペア:

[(1, 20335500), (2, 10167750), (3, 6778500), (4, 5083875), (5, 4067100), (6, 3389250), (9, 2259500), (10, 2033550), (12, 1694625), (15, 1355700), (18, 1129750), (20, 1016775), (25, 813420), (30, 677850), (36, 564875), (45, 451900), (50, 406710), (60, 338925), (75, 271140), (90, 225950), (100, 203355), (125, 162684), (150, 135570), (180, 112975), (225, 90380), (250, 81342), (300, 67785), (375, 54228), (450, 45190), (500, 40671), (750, 27114), (900, 22595), (1125, 18076), (1500, 13557), (2250, 9038), (4500, 4519)]